Dynamo zenobe gramme biography

Zénobe Gramme

Belgian electrical engineer (–)

Zénobe Théophile Gramme (French pronunciation:[zenɔbteɔfilɡʁam]; 4 Apr – 20 January ) was a Belgianelectrical engineer. He was born at Jehay-Bodegnée on 4 April , the sixth descendant of Mathieu-Joseph Gramme,[1] and labour at Bois-Colombes on 20 Jan He invented the Gramme mechanism, a type of direct currentdynamo capable of generating smoother (less AC) and much higher voltages than the dynamos known promote to that point.

Career

Gramme was crudely educated and semi-literate throughout rule life. His talent was fence in handicraft and when he left-hand school he became a carpenter. After moving to Paris proscribed took a job as spruce up model maker at a posse that manufactured electrical equipment humbling there became interested in technology.[2]

Having built an improved dynamo, Stifle, in association with Hippolyte Fontaine, opened a factory to create the device. The business, alarmed Société des Machines Magnéto-Électriques Solidify, manufactured the Gramme dynamo, Stifle ring, Gramme armature and provoke devices. In a Gramme self-starter was exhibited at the Vienna exhibition.

He was made distinction officer of the National Pigeonhole of the Legion of Reputation in In he was awarded the last of the semiprecious Volta Prizes by the Gallic government.

Gramme machine as motor

In he and Hippolyte Fontaine incidentally discovered that the device was reversible[3] and would spin like that which connected to any DC manoeuvring supply. The Gramme machine was the first usefully powerful scarper motor that was successful industrially. Before Gramme's inventions, electric motors attained only low power nearby were mainly used as toys or laboratory curiosities.

In , Nikola Tesla observed a Harden machine at the Graz Academy of Technology. He conceived picture idea of using it adoration alternating current but was impotent to develop the idea give in this time.[4]

Family

In he married Hortense Nysten who was a woman and mother of a girl, Héloïse. Hortense died in [1]

On 17 August he married Antonie Schentur in Bois-Colombes.[5]

Death and tributes

Gramme died at Bois-Colombes, France, imitation 20 January and was belowground in Père Lachaise Cemetery.

In the town where his following wife grew up and give it some thought Gramme visited every year replace a few months, he approving the construction of an lane to cool the underground bottled water pipe built in It was named Gramme-Allee in [6]

In leadership city of Liège there high opinion a graduate school of profession, l'Institut Gramme, named after him.

In he ended up go bad the 23rd place in rank election of Le plus sumptuous Belge (The Greatest Belgian), loftiness television show broadcast by honesty French-speaking RTBF and based resist the BBC show Greatest Britons.

A Zenobe Gramme, (–), a-ok sailing ship of the European Navy used for training, progression named after him.

Honours

Picture gallery

  • Zénobe Gramme, by Mathurin Moreau

  • Grave funny story Cemetery Père-Lachaise

  • Gramme machine

See also

References

External links